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[PIP-105] Part-2 Support pluggable entry filter in Dispatcher (apache…
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53 changes: 53 additions & 0 deletions
53
pulsar-broker/src/main/java/org/apache/pulsar/broker/service/plugin/EntryFilter.java
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|---|---|---|
| @@ -0,0 +1,53 @@ | ||
| /** | ||
| * Licensed to the Apache Software Foundation (ASF) under one | ||
| * or more contributor license agreements. See the NOTICE file | ||
| * distributed with this work for additional information | ||
| * regarding copyright ownership. The ASF licenses this file | ||
| * to you under the Apache License, Version 2.0 (the | ||
| * "License"); you may not use this file except in compliance | ||
| * with the License. You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, | ||
| * software distributed under the License is distributed on an | ||
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | ||
| * KIND, either express or implied. See the License for the | ||
| * specific language governing permissions and limitations | ||
| * under the License. | ||
| */ | ||
| package org.apache.pulsar.broker.service.plugin; | ||
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| import org.apache.bookkeeper.mledger.Entry; | ||
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| public interface EntryFilter { | ||
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| /** | ||
| * 1. Broker determines whether to filter out this entry based on the return value of this method. | ||
| * 2. Do not deserialize the entire entry in this method, | ||
| * which has a great impact on the broker's memory and CPU. | ||
| * 3. Return ACCEPT or null will be regarded as ACCEPT. | ||
| * @param entry | ||
| * @param context | ||
| * @return | ||
| */ | ||
| FilterResult filterEntry(Entry entry, FilterContext context); | ||
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| /** | ||
| * close the entry filter. | ||
| */ | ||
| void close(); | ||
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| enum FilterResult { | ||
| /** | ||
| * deliver to the consumer. | ||
| */ | ||
| ACCEPT, | ||
| /** | ||
| * skip the message. | ||
| */ | ||
| REJECT, | ||
| } | ||
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| } |
42 changes: 42 additions & 0 deletions
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...r-broker/src/main/java/org/apache/pulsar/broker/service/plugin/EntryFilterDefinition.java
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| /** | ||
| * Licensed to the Apache Software Foundation (ASF) under one | ||
| * or more contributor license agreements. See the NOTICE file | ||
| * distributed with this work for additional information | ||
| * regarding copyright ownership. The ASF licenses this file | ||
| * to you under the Apache License, Version 2.0 (the | ||
| * "License"); you may not use this file except in compliance | ||
| * with the License. You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, | ||
| * software distributed under the License is distributed on an | ||
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | ||
| * KIND, either express or implied. See the License for the | ||
| * specific language governing permissions and limitations | ||
| * under the License. | ||
| */ | ||
| package org.apache.pulsar.broker.service.plugin; | ||
|
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| import lombok.Data; | ||
| import lombok.NoArgsConstructor; | ||
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| @Data | ||
| @NoArgsConstructor | ||
| public class EntryFilterDefinition { | ||
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| /** | ||
| * The name of the entry filter. | ||
| */ | ||
| private String name; | ||
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| /** | ||
| * The description of the entry filter to be used for user help. | ||
| */ | ||
| private String description; | ||
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| /** | ||
| * The class name for the entry filter. | ||
| */ | ||
| private String entryFilterClass; | ||
| } |
28 changes: 28 additions & 0 deletions
28
...-broker/src/main/java/org/apache/pulsar/broker/service/plugin/EntryFilterDefinitions.java
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| /** | ||
| * Licensed to the Apache Software Foundation (ASF) under one | ||
| * or more contributor license agreements. See the NOTICE file | ||
| * distributed with this work for additional information | ||
| * regarding copyright ownership. The ASF licenses this file | ||
| * to you under the Apache License, Version 2.0 (the | ||
| * "License"); you may not use this file except in compliance | ||
| * with the License. You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, | ||
| * software distributed under the License is distributed on an | ||
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | ||
| * KIND, either express or implied. See the License for the | ||
| * specific language governing permissions and limitations | ||
| * under the License. | ||
| */ | ||
| package org.apache.pulsar.broker.service.plugin; | ||
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| import java.util.Map; | ||
| import java.util.TreeMap; | ||
| import lombok.Data; | ||
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| @Data | ||
| public class EntryFilterDefinitions { | ||
| private final Map<String, EntryFilterMetaData> filters = new TreeMap<>(); | ||
| } |
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